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Copper atoms have 29 protons in their nuclei. If the

Chapter 31, Problem 3P

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QUESTION:

Problem 3P

Copper atoms have 29 protons in their nuclei. If the copper nucleus is a sphere with a diameter of 4.8 × 10−15 m, find the work required to bring an alpha particle (charge = +2e) from rest at infinity to the "surface" of the nucleus.

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QUESTION:

Problem 3P

Copper atoms have 29 protons in their nuclei. If the copper nucleus is a sphere with a diameter of 4.8 × 10−15 m, find the work required to bring an alpha particle (charge = +2e) from rest at infinity to the "surface" of the nucleus.

ANSWER:

Step 1 of 3

Here, we have to calculate the work required to bring an alpha particle from infinity to the surface of a copper nucleus.

The equation for the work done,

Where,  - Electrostatic potential

              - Charge of the particle

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